package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行UPDATE语句
 */
public class JDBCDemo3 {
    public static void main(String[] args)  {
        try(
                Connection connection = DBUtil.getConnection();
                ) {
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                    "SET password='114514'" +
                    "WHERE username='田所浩二'";
            int num = statement.executeUpdate(sql);
            if (num > 0) {
                System.out.println("修改成功");
            } else {
                System.out.println("修改失败");
            }
        }catch (SQLException e){
            throw new RuntimeException(e);
        }
    }
}
